Revenues - Summary of Disaggregated Revenue by Type and by Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenues	$ 2,586	$ 2,521	$ 5,085	$ 4,999
Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	1,119	1,085	2,248	2,196
Advertising
Disaggregation of Revenue [Line Items]
Revenues	438	464	829	870
Consumer
Disaggregation of Revenue [Line Items]
Revenues	527	512	1,029	979
Real estate
Disaggregation of Revenue [Line Items]
Revenues	327	301	638	624
Other
Disaggregation of Revenue [Line Items]
Revenues	175	159	341	330
Digital Real Estate Services
Disaggregation of Revenue [Line Items]
Revenues	419	386	822	807
Digital Real Estate Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	2	3	5	6
Digital Real Estate Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	32	33	67	68
Digital Real Estate Services | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Digital Real Estate Services | Real estate
Disaggregation of Revenue [Line Items]
Revenues	327	301	638	624
Digital Real Estate Services | Other
Disaggregation of Revenue [Line Items]
Revenues	58	49	112	109
Subscription Video Services
Disaggregation of Revenue [Line Items]
Revenues	470	462	956	964
Subscription Video Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	404	405	819	830
Subscription Video Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	51	47	113	111
Subscription Video Services | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Subscription Video Services | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Subscription Video Services | Other
Disaggregation of Revenue [Line Items]
Revenues	15	10	24	23
Dow Jones
Disaggregation of Revenue [Line Items]
Revenues	584	563	1,121	1,078
Dow Jones | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	441	417	877	831
Dow Jones | Advertising
Disaggregation of Revenue [Line Items]
Revenues	126	131	217	225
Dow Jones | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Dow Jones | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Dow Jones | Other
Disaggregation of Revenue [Line Items]
Revenues	17	15	27	22
Book Publishing
Disaggregation of Revenue [Line Items]
Revenues	550	531	1,075	1,018
Book Publishing | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Book Publishing | Advertising
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Book Publishing | Consumer
Disaggregation of Revenue [Line Items]
Revenues	527	512	1,029	979
Book Publishing | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Book Publishing | Other
Disaggregation of Revenue [Line Items]
Revenues	23	19	46	39
News Media
Disaggregation of Revenue [Line Items]
Revenues	563	579	1,111	1,132
News Media | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	272	260	547	529
News Media | Advertising
Disaggregation of Revenue [Line Items]
Revenues	229	253	432	466
News Media | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
News Media | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
News Media | Other
Disaggregation of Revenue [Line Items]
Revenues	62	66	132	137
Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other | Advertising
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other | Other
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 0	$ 0	$ 0